Home / 115,077.08-172,616.07-40,196.93

Finding the Fourth Proportional to 115,077.08, 172,616.07 and 40,196.93

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Solution

The fourth proportional to 115,077.08, 172,616.07 and 40,196.93 is: 60,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,077.08 : 172,616.07 = 40,196.93 : x
  2. Step 2: Convert to fraction form
    115,077.08/172,616.07 = 40,196.93/x
  3. Step 3: Cross multiply
    115,077.08x = 172,616.07 × 40,196.93
  4. Step 4: Simplify right side
    115,077.08x = 6,938,636,082.67
  5. Step 5: Solve for x
    x = 6,938,636,082.67/115,077.08
  6. Step 6: Final answer
    x = 60,295.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.